package org.as3search.criteria {
	/*
	 * as3search - http://code.google.com/p/as3search
	 * Copyright (c) 2009-2010 by respective authors. All rights reserved.
	 *
	 * This library is free software; you can redistribute it and/or modify it under the
	 * terms of the GNU Lesser General Public License as published by the Free Software
	 * Foundation; either version 2.1 of the License, or (at your option) any later
	 * version.
	 *
	 * This library is distributed in the hope that it will be useful, but WITHOUT ANY
	 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
	 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
	 *
	 * You should have received a copy of the GNU Lesser General Public License along
	 * with this library; if not, write to the Free Software Foundation, Inc.,
	 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	 */
	
	import org.flexunit.Assert;
	
	/**
	 * 
	 */
	public class NotExpressionTestCase {
		
		private var classToTestRef:org.as3search.criteria.NotExpression;
		
		public function NotExpressionTestCase() {
			
		}
		
		[Before]
		public function setup():void {
			classToTestRef = new NotExpression(new EqualityExpression("id", 20));
		}
		
		[Test]
		public function testEvaluate():void {
			Assert.assertTrue("failed to evaluate the expression",
				classToTestRef.evaluate({id: 21}));
			Assert.assertFalse("failed to evaluate equality",
				classToTestRef.evaluate({id: 20}));
		}
		
		[Test]
		public function testNotExpression():void {
			try {
				new NotExpression(null);
				Assert.fail("did not throw an error on null constructor arg.");
			} catch (e:ArgumentError) {
//				pass
			}
			
			var expression:Criterion = new EqualityExpression("id","me");
			classToTestRef = new NotExpression(expression);
			Assert.assertEquals("constructor did not set 'criterion' correctly",
				expression, classToTestRef.criterion);
		}
		
		[Test]
		public function testCriterion():void {
			try {
				classToTestRef.criterion = null;
				Assert.fail("did not throw an error on null passed to 'criterion'");
			} catch (e:ArgumentError) {
//				pass
			}
			
			var expression:EqualityExpression = new EqualityExpression("id","adsfa");
			classToTestRef.criterion = expression;
			Assert.assertEquals("failed to set 'criterion'",
				expression, classToTestRef.criterion);
		}
	}
}